Swift 6.2: Concurrency Refinements and Practical Enhancements
2025-05-09
Swift 6.2 is a massive release, boasting a plethora of additions and improvements, with a significant focus on refining Swift concurrency and adding practical features. The update simplifies the concurrency learning curve; for example, the `-default-isolation MainActor` compiler flag allows developers to default to running code on the main actor, switching to concurrency only when necessary. Other highlights include raw identifiers, default values in string interpolation, `enumerated()` conforming to `Collection`, and significant boosts to Swift Testing with exit tests and attachments. These enhancements promise to make Swift development more efficient and user-friendly.
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Development
Language Improvements